NF FRA5014, Instruction Manual

Page: 99 / 107

8.2 Analyzer Input Block
FRA5014 8-3
8.2 Analyzer Input Block
⚫
Number of channels 4
⚫
Input impedance 1 MΩ, 120 pF in parallel
⚫
Input voltage
Measurement range ±10 V
Non-destructive max. input ±24 V
⚫
Excessive input detection level Detected by fundamental wave amplitude
Setting range 0.01 to 19.99 Vrms
Setting resolution 0.01 Vrms
Processing method Beep sound output/sweep stop/oscillator off
⚫
Input weighting For each channel,
Weighting coefficient: –1. 06 to +1. 06
Resolution: 6 digits or 0.01E
−
09
⚫
Measurement range Auto switching
⚫
IMRR At least 120 dB when the frequency is 1 Hz to 60 Hz and signal
source impedance

1 Ω
Attenuation when signal ground potential change (vs. case) is
mixed into the signal
⚫
Dynamic range At least 120 dB
When the frequency is 1 Hz to 100 kHz, integration time

10 s
and

100 cycles
Signal magnitude ratio when 10 Vpeak signals are input to 3 of 4
channels while the remaining channel is terminated at a signal
source impedance of up to 1 Ω.
⚫
Isolation
Insulation voltage 42 Vpk or 30 Vrms, DC to 100 kHz continuous
Among each channel input in the analyzer block (signal, GND),
oscillator output (signal, GND), and the case
Case-to-oscillator
electrostatic capacitance 300 pF or less